CN204679593U - Ring main unit Withstand test device - Google Patents
Ring main unit Withstand test device Download PDFInfo
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- CN204679593U CN204679593U CN201520420276.5U CN201520420276U CN204679593U CN 204679593 U CN204679593 U CN 204679593U CN 201520420276 U CN201520420276 U CN 201520420276U CN 204679593 U CN204679593 U CN 204679593U
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- main unit
- ring main
- connector
- pipe portion
- transverse pipe
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Abstract
The utility model discloses a kind of ring main unit Withstand test device, it comprises blind plug and connector, electricity is connect cable and is connected and coating-forming voltage loop with the line terminal of ring main unit by described blind plug, connect by connector phase between the three-phase line of ring main unit, when doing withstand voltage test, creepage distance and insulating property are improved by this blind plug, ensure that ring main unit withstand voltage reaches the requirement of relevant criterion, secondly can be operated fracture withstand voltage test or the withstand voltage test mutually of ring main unit three-phase line by this connector simultaneously, improve test efficiency.
Description
Technical field
The utility model relates to electric force test device, particularly relates to a kind of ring main unit Withstand test device.
Background technology
Ring main unit is a kind of electrical equipment being assembled in by high-tension switch gear in steel sheet metal cabinet or making assembled compartment ring network power supplying units, along with the development that current power transmission and transformation are applied, ring main unit is also applied in power grid construction more and more, and ring main unit withstand voltage test, then become the key whether inspection looped network cabinet equipment is qualified.
In current ring main unit withstand voltage test implementation process, because the dielectric strength between each cable sleeve and between cable sleeve and cabinet edge is poor, in withstand voltage test process when voltage rises to 36kV, single-phasely withstand voltagely can to puncture, the trial voltage of the 48kV/42kV specified in correlation test code.
Therefore how improving the insulation degree between each cable sleeve of ring main unit and between cable sleeve and cabinet, is the important technological problems that those skilled in the art need to solve at present to make the trial voltage that can reach 48kV/42kV in its process of the test require.
Utility model content
The utility model provides a kind of ring main unit Withstand test device, which overcomes the deficiencies in the prior art described in background technology.
The utility model solves the technical scheme that its technical matters adopts:
Ring main unit Withstand test device, it comprises blind plug and connector, electricity is connect cable and is connected and coating-forming voltage loop with the line terminal of ring main unit by described blind plug, connect by connector phase between the three-phase line of ring main unit, when doing withstand voltage test, improve creepage distance by this blind plug, fracture withstand voltage test or the withstand voltage test mutually of ring main unit three-phase line can be operated by this connector simultaneously.
Among one embodiment: described blind plug comprises T-shaped cable connector, be made up of the transverse pipe portion be interconnected and vertical duct portion, transverse pipe portion front end sleeve is contained on line terminal; Conduction bindiny mechanism, transverse horizontal is arranged in transverse pipe portion, and its one end connects line terminal, the other end and transverse pipe portion and is fixedly installed; Splicing ear, one end is connected in conduction bindiny mechanism, and the other end to extend in front vertical duct portion and connects cable with electricity and is connected.
Among one embodiment: described connector forms by conducting electricity plug and the insulation course that is arranged at conduction plug outside surface, its one end is formed with the insulation connector suitable with described transverse pipe portion rear end inner chamber size, described connector removably coaxial package in rear end, described transverse pipe portion, for realize plug with conduction bindiny mechanism electrical connection.
The technical program is compared with background technology, and its tool has the following advantages:
When 1, doing withstand voltage test, one end that electricity connects cable is connected with ring main unit line by blind plug, and coating-forming voltage loop, adjacent electricity is effectively avoided to connect between cable and electricity connects influencing each other between cable and cabinet, thus make electricity connect between cable and insulating property that electricity connects between cable and cabinet can improve greatly, increase creepage distance, ensure the trial voltage requirement that can reach 48kV/42kV in ring main unit process of the test.
When 2, doing withstand voltage test, connect by connector phase between the three-phase line of ring main unit, disposablely can to realize the phase ground withstand voltage test of the withstand voltage test of three-phase fracture or three-phase, improve test efficiency.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 depicts circuit connection diagram of the present utility model.
Embodiment
Consult Fig. 1, ring main unit Withstand test device, it comprises blind plug 10 and connector 20, when doing withstand voltage test, electricity is connect cable and is connected with the line terminal of ring main unit by described blind plug 10, connect by connector 20 phase between the three-phase line of ring main unit, improve insulating property by this blind plug 10 and increase creepage distance, fracture withstand voltage test or the withstand voltage test mutually of ring main unit three-phase line can be operated by this connector 20 simultaneously.
This blind plug 10 comprises T-shaped cable connector, is made up of the transverse pipe portion be interconnected and vertical duct portion, and transverse pipe portion front end sleeve is contained on line terminal; Conduction bindiny mechanism, transverse horizontal is arranged in transverse pipe portion, and its one end connects line terminal, the other end and transverse pipe portion and is fixedly installed; Splicing ear, one end is connected in conduction bindiny mechanism, and the other end to extend in front vertical duct portion and connects cable with electricity and is connected.The structure of this blind plug can See patent number for the part in " there is the cable terminal connector of ground rod " disclosed in ZL200920139237.2 patent except ground rod structure and the patent No. be the part except lightning arrester structure in " there is the cable terminal connector of lightning arrester " disclosed in ZL200920139239.1 patent.
Described connector 20 is made up of conduction plug and the insulation course being arranged at conduction plug outside surface, its one end is formed with the insulation connector suitable with described transverse pipe portion rear end inner chamber size, described connector removably coaxial package in rear end, described transverse pipe portion, for realize plug with conduction bindiny mechanism electrical connection.The structure of this pitman can See patent number be the ground rod structure in " the having the cable terminal connector of ground rod " disclosed in ZL200920139237.2 patent.
When doing ring main unit withstand voltage test, the utility model is by increasing blind plug 10 and connector 20, electricity is connect cable by being connected with the line of ring main unit again after blind plug 10, the insulating property between electric wiring cable and between electric wiring cable and ring network cabinet body can be improved, increase creepage distance, make the withstand voltage of ring main unit test the requirement reaching 48kV/42kV.In addition, forming parallel three phase state by being connected by connector 20 between the three-phase line of ring main unit, can test with disposablely completing the phase of three-phase or the fracture test of three-phase simultaneously, improving test efficiency.
The above, be only the utility model preferred embodiment, therefore the scope that the utility model implements can not be limited according to this, the equivalence namely done according to the utility model the scope of the claims and description change with modify, all should still belong in scope that the utility model contains.
Claims (3)
1. ring main unit Withstand test device, it is characterized in that: comprise blind plug and connector, electricity is connect cable and is connected and coating-forming voltage loop with the line terminal of ring main unit by described blind plug, connect by connector phase between the three-phase line of ring main unit, when doing withstand voltage test, improve creepage distance by this blind plug, fracture withstand voltage test or the withstand voltage test mutually of ring main unit three-phase line can be operated by this connector simultaneously.
2. ring main unit Withstand test device according to claim 1, is characterized in that: described blind plug comprises T-shaped cable connector, is made up of the transverse pipe portion be interconnected and vertical duct portion, and transverse pipe portion front end sleeve is contained on line terminal; Conduction bindiny mechanism, transverse horizontal is arranged in transverse pipe portion, and its one end connects line terminal, the other end and transverse pipe portion and is fixedly installed; Splicing ear, one end is connected in conduction bindiny mechanism, and the other end to extend in front vertical duct portion and connects cable with electricity and is connected.
3. ring main unit Withstand test device according to claim 2, it is characterized in that: described connector forms by conducting electricity plug and the insulation course that is arranged at conduction plug outside surface, its one end is formed with the insulation connector suitable with described transverse pipe portion rear end inner chamber size, described connector removably coaxial package in rear end, described transverse pipe portion, for realize plug with conduction bindiny mechanism electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520420276.5U CN204679593U (en) | 2015-06-17 | 2015-06-17 | Ring main unit Withstand test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520420276.5U CN204679593U (en) | 2015-06-17 | 2015-06-17 | Ring main unit Withstand test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204679593U true CN204679593U (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520420276.5U Active CN204679593U (en) | 2015-06-17 | 2015-06-17 | Ring main unit Withstand test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204679593U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766486A (en) * | 2020-07-31 | 2020-10-13 | 珠海天欧电气有限公司 | Aerify cabinet power frequency withstand voltage test lead device |
| CN112147468A (en) * | 2020-09-09 | 2020-12-29 | 中国能源建设集团华北电力试验研究院有限公司 | Three-phase system type power cable alternating current voltage withstand test method |
-
2015
- 2015-06-17 CN CN201520420276.5U patent/CN204679593U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766486A (en) * | 2020-07-31 | 2020-10-13 | 珠海天欧电气有限公司 | Aerify cabinet power frequency withstand voltage test lead device |
| CN112147468A (en) * | 2020-09-09 | 2020-12-29 | 中国能源建设集团华北电力试验研究院有限公司 | Three-phase system type power cable alternating current voltage withstand test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 362000 Qixing Industrial Park, Jiangnan high tech electronic Park, Quanzhou, Fujian Patentee after: Seven Star Electric Limited by Share Ltd Address before: 362000 Qixing Industrial Park, Jiangnan high tech electronic Park, Quanzhou, Fujian Patentee before: Quanzhou Sevenstars Electric Co., Ltd. |